Racing high chair



FIG. 1 is a perspective view of a racing high chair according to my design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The surfaces or portions of the article not shown in the drawing or described in the specification form no part of the claimed design. 

The ornamental design for a racing high chair, as shown and described. 